Quote:
Originally Posted by Isaac Zachary
Cruising along at highway speeds on flat ground only needs about 20hp or about 15kW of power in most vehicles, give or take.
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It's usually true for compact cars, with trucks being a completely different animal. It's also worth to remind the torque output at such power figures may also vary, just like the engine speed. Otherwise it would be possible to simply put a horizontal-single Yanmar stationary engine even into a full-size truck and call it a day
